package com.liu.seckill.util;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.stereotype.Component;

/**
 * @ClassName MD5Util
 * @Author ：name
 * @Date ：2022-02-14 16:43
 * @Description：
 * @Version: 1.0
 */
@Component
public class MD5Util {
    public static String md5(String src) {
        return DigestUtils.md5Hex(src);
    }
    private static final String salt = "1a2b3c4d";
    public static String inputPassToFormPass(String inputPass) {
        String str = ""+salt.charAt(0)+salt.charAt(2) + inputPass
                +salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String formPassToDBPass(String formPass, String salt) {
        String str = ""+salt.charAt(0)+salt.charAt(2) + formPass +salt.charAt(5)
                + salt.charAt(4);
        return md5(str);
    }
    public static String inputPassToDbPass(String inputPass, String saltDB) {
        String formPass = inputPassToFormPass(inputPass);
        String dbPass = formPassToDBPass(formPass, saltDB);
        return dbPass;
    }
    public static void main(String[] args) {

        System.out.println(inputPassToFormPass("123456"));//d3b1294a61a07da9b49b6e22b2cb
        System.out.println(formPassToDBPass(inputPassToFormPass("123456"),
                "1a2b3c4d"));
        System.out.println(inputPassToDbPass("123456", "1a2b3c4d"));
    }

    public static String inputPassToDBPass(String inputPass,String salt){
        String fromPass = inputPassToFromPass(inputPass);
        String dbPass = formPassToDBPass(fromPass, salt);
        return dbPass;
    }
    public static String inputPassToFromPass(String inputPass){
        String str = "" +salt.charAt(0)+salt.charAt(2)+inputPass+salt.charAt(5)+salt.charAt(4);
        return md5(str);
    }
}
